EP0098200B1 - Datenwechsel-, Lade- und Beratungsverfahren und Schaltungskreis zwischen einem Terminal und einer Datenbank - Google Patents

Datenwechsel-, Lade- und Beratungsverfahren und Schaltungskreis zwischen einem Terminal und einer Datenbank Download PDF

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Publication number
EP0098200B1
EP0098200B1 EP83401249A EP83401249A EP0098200B1 EP 0098200 B1 EP0098200 B1 EP 0098200B1 EP 83401249 A EP83401249 A EP 83401249A EP 83401249 A EP83401249 A EP 83401249A EP 0098200 B1 EP0098200 B1 EP 0098200B1
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EP
European Patent Office
Prior art keywords
data
bank
peripheral
base
circuit
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Expired
Application number
EP83401249A
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English (en)
French (fr)
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EP0098200A1 (de
Inventor
Laurence Perrot
De L'ain Malo Girod
Fernand Drubay
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Individual
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Priority to AT83401249T priority Critical patent/ATE43190T1/de
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/25—Integrating or interfacing systems involving database management systems
    • G06F16/252—Integrating or interfacing systems involving database management systems between a Database Management System and a front-end application
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/25—Integrating or interfacing systems involving database management systems
    • G06F16/258—Data format conversion from or to a database

Definitions

  • the present invention relates to a method for exchanging, loading and consulting information, between a terminal comprising at least two peripherals, operating with different formats, and an information bank having at least one database and one bank. data whose data have at least two different formats, data from the database or from the bank being associated with other data from the bank or from the database respectively.
  • the invention also relates to a switching and adaptation circuit intended for the implementation of such a method.
  • databases and databases are more and more common in modern life.
  • a user with a terminal has access to only one database or database or, selectively, to several databases or databases all of whose data are in a format compatible with the characteristics of the terminal.
  • the invention relates to the extension of the possibilities of operating information banks, this extension relating on the one hand to the nature of the usable information banks and on the other hand to the number of users concerned.
  • the extension relating to the nature of the information banks concerned is obtained by implementing “information banks comprising at least one database and one database having different formats. More specifically, the information banks currently used include data kept in a single format. However, it is sometimes very useful to have data in different formats.
  • the information banks implemented according to the invention comprise at least one database and a database in different formats, data from the database being linked to data from the bank. For example, during a consultation, following the data transmitted by the database, data coming from a database, in different format, are called and the user thus receives a response in two different formats , on two different devices.
  • the term “format” characterizes the coding of the information.
  • the expression “character format” designates a character code
  • the expression“ free format designates a data code formed for example of segments of bit strings representative of graphic data or their analysis.
  • the expression “database” conventionally designates a set of related data excluding repetitions of data
  • the expression“ database ” designates a coherent collection of related files.
  • the expression “information store” applies to a set comprising at least one database and one database, the data of the database and of the store being made available to several users who can use them in according to their own needs.
  • the information bank also comprises a management circuit allowing various operations, in particular switching between the database and the database when the consultation requires it.
  • the second extension made possible by the invention is the increase in the number of users.
  • the peripherals of the consultation terminals are generally expensive.
  • the least expensive are the screen-keyboard type peripherals, the graphic type peripherals being on the contrary very expensive.
  • the association of a device of the low-cost screen-keyboard type, for example of the terminal-directory type, with a group III fax machine allows the formation of a terminal having both the possibilities of a visual and a graphic terminal and using only industrially developed elements on a large scale and whose cost can be low.
  • the association of the two peripherals in the terminal does not require any modification according to the invention.
  • An additional member, for example a telephone handset, is advantageously associated with the two peripherals.
  • terminal applies to a set of several peripherals
  • peripheral applies to a device capable of being connected to an information bank .
  • all the adaptation operations which are necessary because of the use of different formats on the one hand between the database and the database and on the other hand between the peripherals are provided by a single circuit connected on the one hand to the switched network or to a dedicated line, so that it allows exchanges with remote terminals, and on the other hand to accesses of an information bank.
  • a switching and adaptation circuit ensures the switching between the base and the database when the content of the information exchanged requires it, and it ensures the adaptation to the different formats of the base and of the database. data and peripherals.
  • the invention relates to a method for exchanging, loading and consulting information between a terminal comprising at least two peripherals operating with different formats, and an information bank tions having at least one database and a database working with at least two different formats, database data being associated with data from the bank in different formats, said method comprising:
  • connection of the bank or of the database in place of the database or of the database is preferably carried out automatically by the information store at the end of the data exchange between the database or the data and the first device.
  • the adaptation of the terms of exchange advantageously includes determining the resolution, the format of the document, etc.
  • the first peripheral is of the visual type, for example of the "directory terminal” type
  • the second peripheral is of a test forming type, preferably a teletypewriter, for example a group 111 fax machine or " wide distribution.
  • the establishment of the communication is normally executed by an operator.
  • the latter can also ensure the connection of the second device in place of the first after the information store has switched from the database or the database to the store or the database respectively.
  • an operator having for example a telephone handset control the establishment of the communication, then the execution of the operations of connection of the bank or the database instead of the base. or from the database respectively, the latter operations being detected by suitable tones online.
  • the implementation of the invention does not require any modification of the user terminals or of the transmission lines which are simply formed by the switched network.
  • a simple switching and adaptation circuit is mounted at the entrance to the information bank.
  • FIG. 1 is a block diagram of an installation useful for the implementation of the invention.
  • This installation comprises an information bank 10 having for example a database 12 and a database 14 which contain data in different formats, and a device 16 for management, and in particular for switching between the database 12 and the database 14 which are represented.
  • a subscriber terminal 18 comprises a first peripheral 20, for example a display, very advantageously of the terminal-directory type, and a second peripheral 22, advantageously a group III fax machine, for example of the TC 103 type from Matra, T 60 from Thomson CSF or "Safax" 2000 from Sagem.
  • a switching device 24 allows the alternating connection of the terminal 18 to a line 26 which is advantageously an ordinary subscriber line of the switched network.
  • a switching and adaptation circuit 28 is connected on the one hand to line 26 of the switched network and on the other hand to the information bank 10.
  • the information bank 10 is not of a type currently used, formed by simple juxtaposition of databases 12, 14. In fact, the constitution of the information bank 10 is original since the database 12 and the database 14 contains data having different formats, but these data have relationships. More specifically, certain data from bank 14 are associated with other data from base 12. Circuit 16 is intended to search in bank 14 for the items of information which correspond to data which have just been consulted in the base 12. The circuits necessary for such an operation are well known to specialists and are not described in detail in the present specification.
  • the terminal 18, is represented in a more detailed form, in one embodiment, in FIG. 2.
  • the visuals constituting “terminal-directories”, well known at present, include, in addition to the visual 20, an incorporated switch 24 which allows the connection of subscriber line 26 either to the display 20 or to an outside line 30, the rest position being that which connects lines 26 and 30.
  • this line 30 is connected to a telephone handset such as 34
  • this line 30 is however connected to a switch 32 of a facsimile machine 22, the switch being normally maintained in the position in which the wires 30 and 36 are connected.
  • the telephone handset 34 is connected to the subscriber line 26.
  • the telephone handset can be connected directly to the transmission line 26.
  • switching and adaptation circuit 28 which is represented in the form of a block diagram in FIG. 3 and, in more detail, in FIG. 4.
  • the switching and adaptation circuit first comprises a line coupler 38 intended to ensure the connection to an ordinary line of a public or private switched network or to a dedicated line.
  • This coupler is connected to a switch 40.
  • the line connecting the coupler 38 to the switch 40 constitutes the input path of the latter. It also has two output channels, the first of which is connected to a first modulator-demodulator 42 and the second to a second modulator-demodulator 44.
  • the first output channel leads to a connection 43 intended to be connected to an access from the bank information, for example from database 12.
  • the second output channel comprises, in addition to the modulator-demodulator 44, an information / signaling switch 46, connected to a logic control circuit 48, and a circuit 50 for processing control characters or of a particular type.
  • This second channel leads to a connection 51 intended to be connected to another access to the information bank, for example to the database 14.
  • the modulator-demodulator 44, the switch 46 and the logic circuit 48 constitute a circuit 52 described in more detail later in this memo.
  • connection 43 is connected to an access to the database and after passing through the modulator-demodulator 42 of the type suitable for the line 26 via the switch 40 and the coupler 38.
  • the switch when in the rest position, is recalled so that it ensures the connection of the coupler 38 to the modulator-demodulator 42.
  • the switch 40 is controlled by the logic circuit 48 which indicates to it when it must switch.
  • circuit 48 controls the switch so that it connects the second channel, coded data can be exchanged between the database and the facsimile machine via circuits 44, 46 and 50.
  • the database can for example first transmit a menu on which the subscriber makes a selection, so that the database 12 transmits data in character format.
  • an end of message signal controls the management circuit 16 which causes the switching to the database 14 which contains data associated with those which have been transmitted on the visual 20, but in another form.
  • the display 20 could display a legend relating to a drawing which must be transmitted to the fax machine 22.
  • the management circuit 16 after having switched the connection from the base 12 to the bank 14, indicates to the logic circuit 48 the procedures for transferring information to or from fax machine 22.
  • the logic circuit 48 then adapts the circuit 52 (described in more detail hereinafter in this memo) according to the modalities of the transfer of information that can be transmitted or received by the database 14.
  • the logic circuit 48 then causes the switch to switch 40 so that the second channel is connected to line 26.
  • the display 20 automatically disconnects from the line at the end of the transmission so that the subscriber who has the handset 34 can then receive a second significant tone and can therefore controlling the connection of the facsimile machine 22.
  • the circuit 52 then receives signals indicating the modalities of transfer of information to the facsimile machine 22 or from it, and it selects an operating mode allowing a suitable exchange of data between the bank 14 and the fax machine 22.
  • the circuit 52 then controls the exchange of data between the fax machine 22 and the data bank 14 (in one direction or the other is lon that it concerns the loading of the database or a consultation thereof).
  • circuit 52 comprises only part of the logic circuit 48. This characteristic is explained in the remainder of this specification with reference to FIG. 4. It should also be noted that a circuit shown in dotted indicates the connection of a specific coupler which allows the control of the switch 40 via the signals of the telephone channel, in a variant of the device according to the invention. Control of the switch by circuit 48 is no longer necessary.
  • the single switch 46 in FIG. 3 is shown in the form of two signaling / information switches, one of which is used for transmission and the other for reception.
  • the switch 54 used in transmission is connected to a logic circuit 64 for management and control by a circuit 66 generating a frame control polynomial, and a circuit 68 for constituting a frame.
  • the switch 56 used for reception is connected to the logic circuit 64 by a frame analysis and control circuit 70 and by a frame validity circuit 72.
  • Lines 74 further connect the circuit 64 to circuits 76 which ensure the creation and analysis of the address field, the creation and analysis of the control field, the creation and analysis of the information field and creation and analysis of the facsimile order field as well as correspondence and conformity tests.
  • All the elements of the circuit 52 shown in FIG. 4 can be constituted by a microprocessor circuit, already developed as an element of group III facsimile machines, such as facsimile machine 22.
  • the circuits 58 and 60 correspond to the circuit 50 of FIG. 3.
  • the circuit 58 is intended to identify and transform special characters.
  • the circuit 60 is intended to detect and insert control characters. These two circuits are specially adapted to the information bank and the interconnection mode. Indeed, depending on the code implemented by the particular information bank, the transformation of special characters can vary. Some information banks use computers which take into account only certain characters of the ASCII code. The other characters must therefore be transformed in order to be assimilated by the information bank. Similarly, in the opposite direction, when the information is returned, the corresponding special characters must be incorporated.
  • circuit 52 When the circuit 52 is of the type developed for group III facsimile machines, it is inconvenient to modify the microprocessor of the circuit so that it controls the switch. In this case, it is preferable that a special microprocessor-based control circuit 62 controls the switch 40. This circuit then advantageously controls the signals of the two channels, near the modulators-demodulators, so that it determines the appropriate moment. and controls the proper flow of operations.
  • the device described above does not require any modification of the transmission lines or of the terminals which are available to subscribers. Only the switching and adaptation circuit is incorporated between the telephone lines and the information bank which is, however, of an original type since it comprises a database and a database, having different formats and in which data in different formats are linked. Note a particular advantage of the device described above. A subscriber with a visual and a fax machine cannot normally receive proof of data presented on his visual. In fact, there is no system in the subscriber's terminal allowing the formation of a test on the fax machine from the information on the screen. By cons, such an installation can be easily mounted at the central level, that is to say at the information store.
  • circuit 52 is formed by different circuits, most of the functions of these can be fulfilled by a microprocessor and associated components such as random access memory, passive memory, etc.
  • the switch 40 was controlled by a specific electrical circuit, it can also be controlled by tones circulating in the telephone line and picked up by a specific coupler, as suggested by the circuit indicated in dashed in Figure 3.
  • the various elements are of a well known type adapted to the specifications set by the user country.
  • the modulator-demodulators 42 and 44 are adapted to the speeds of the different signals.
  • the circuits 58 and 60 which together form a transcoder are adapted to the particular nature of the information bank. All of these. adaptations are well known to those skilled in the art and are therefore not described in this specification.

Claims (10)

1. Verfahren zum Austausch, zum Laden und zur Beratung von Informationen zwischen einem Terminal (18), der wenigstens zwei mit unterschiedlichen Formaten arbeitende Peripheriegeräte (20, 22) enthält, und einer Informationsbank (10) mit wenigstens einer Datenbasis (12) und einer Datenbank (14), die mit wenigstens zwei unterschiedlichen Formaten arbeiten, wobei die Daten der Basis und die Daten der Bank in den unterschiedlichen Formaten zusammengefaßt werden, gekennzeichnet durch
die Errichtung einer Übertragung zwischen dem Terminal (18) und der Informationsbank (10) durch eine einzige Übertragungsleitung (26) bei einer Verbindung eines ersten Peripheriegerätes
(20) mit der Datenbasis (12) oder mit der Datenbank, wobei die in dieser Basis (12) oder in dieser Bank enthaltenen Daten ein erstes Format besitzen,
den Datenaustausch zwischen dieser Basis (12) oder dieser Bank und dem ersten Peripheriegerät (20),
die Verbindung der Datenbank (14) oder der Datenbasis in entsprechender Weise durch die Übertragungsleitung (26) mit dem Platz der Datenbasis (12) bzw. der Datenbank, wobei die Datenbank (14) oder die Datenbasis in entsprechender Weise Daten enthält, die ein sich vom ersten Format unterscheidendes zweites Format besitzen,
die Verbindung eines zweiten Peripheriegerätes (22) durch die Übertragungsleitung (26) mit dem Platz des ersten Peripheriegerätes (20), wobei das zweite Peripheriegerät (22) dazu bestimmt ist, Daten des zweiten Formats auszutauschen,
die Anpassung von Austauschmodalitäten der Daten des zweiten Formats zwischen der Datenbank (14) bzw. der Datenbasis und dem zweiten Peripheriegerät (22),
den Datenaustausch zwischen der Datenbank (14) bzw. der Datenbasis und dem zweiten Peripheriegerät (22)
und Freigabe der Datenübertragungsleitung (26).
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Datenbasis (12) zunächst mit dem ersten Peripheriegerät (20) verbunden wird und der Austausch zwischen der Datenbasis (12) und dem ersten Peripheriegerät (20) die Übertragung eines Menüs durch die Datenbasis (12) enthält.
3. Verfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die Verbindung der Datenbank (14) oder der Datenbasis mit dem Platz der Datenbasis (12) oder der Datenbank vorzugsweise durch die Informationsbank (10) am Ende des Datenaustauschs zwischen der Datenbasis (12) oder der Datenbank und dem ersten Peripheriegerät (20) automatisch durchgeführt wird.
4. Verfahren nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß das erste Peripheriegerät (20) ein visuelles und das zweite Peripheriegerät (22) eines Typs ist, der einen Abzug bildet.
5. Verfahren nach einem der Ansprüche 1-4, dadurch gekennzeichnet, daß die Errichtung der Übertragung durch einen Operator ausgeführt wird.
6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Verbindung des zweiten Peripheriegerätes (22) mit dem Platz des ersten (20) durch einen Operator hergestellt wird, nachdem die Informationsbank (10) von der Datenbasis (12) oder der Datenbank auf die Datenbank (14) bzw. die Datenbasis entsprechend umgeschwenkt hat.
7. Verfahren nach einem der Ansprüche 1-6, dadurch gekennzeichnet, daß es außerdem die Kontrolle zur Errichtung der Übertragung und dann die Ausführung der Verbindung von der Datenbank (14) oder der Datenbasis zum Platz der Datenbasis (12) bzw. der Datenbank enthält, wobei die Kontrolle durch einen Operator ausgeführt wird.
8. Schaltungs- und Anpassungskreis (28) für eine Verbindung mit einer Informationsbank (10), die wenigstens eine Datenbasis (12) und eine Datenbank (14) mit unterschiedlichen Formaten enthält, gekennzeichnet durch
einen Umschalter (40), der einen Eingangsweg und wenigstens zwei Ausgangswege aufweist und der in die Position, in der der Eingangsweg mit einem ersten Ausgangsweg verbunden ist, zurückstellbar ist, wenn er sich im Ruhezustand befindet,
ein Organ (62) zum Betätigen des Umschalters und
eine Schaltung (52) zur Anpassung der Datenaustauschmodalitäten, die in einem zweiten Ausgangsweg angeordnet ist, wobei
der Eingangsweg dazu bestimmt ist, mit einer einzigen Übertragungsleitung (26) verbunden zu werden, wobei die Ausgangswege dazu bestimmt sind, mit unterschiedlichen Zugängen der Informationsbank (10) verbunden zu werden und wobei die durch die Zugänge an die Informationsbank übertragenen Daten unterschiedliche Formate besitzen.
9. Schaltung nach Anspruch 8, dadurch gekennzeichnet, daß der erste Ausgangsweg einen Modulator-Demodulator (42) enthält und das Betätigungsorgan (62) des Umschalters durch Signale betätigt wird, die durch einen der Ausgangswege übertragen werden.
10. Schaltung nach einem der Ansprüche 8 und 9, dadurch gekennzeichnet, daß die Anpassungsschaltung (52) einen Modulator-Demodulator (44) und eine Schaltung (64) enthält, die dazu bestimmt ist, mit einem Peripheriegerät durch Zwischenschaltung einer Übertragungsleitung auf Distanz einen Dialog zu führen und dementsprechend die Übertragungsmodalitäten von Informationen zu bestimmen.
EP83401249A 1982-06-17 1983-06-16 Datenwechsel-, Lade- und Beratungsverfahren und Schaltungskreis zwischen einem Terminal und einer Datenbank Expired EP0098200B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83401249T ATE43190T1 (de) 1982-06-17 1983-06-16 Datenwechsel-, lade- und beratungsverfahren und schaltungskreis zwischen einem terminal und einer datenbank.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8210629A FR2528998B1 (fr) 1982-06-17 1982-06-17 Procede d'echange, de chargement et de consultation d'informations et circuit de commutation entre un terminal et une banque d'informations
FR8210629 1982-06-17

Publications (2)

Publication Number Publication Date
EP0098200A1 EP0098200A1 (de) 1984-01-11
EP0098200B1 true EP0098200B1 (de) 1989-05-17

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EP83401249A Expired EP0098200B1 (de) 1982-06-17 1983-06-16 Datenwechsel-, Lade- und Beratungsverfahren und Schaltungskreis zwischen einem Terminal und einer Datenbank

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EP (1) EP0098200B1 (de)
AT (1) ATE43190T1 (de)
AU (1) AU557820B2 (de)
DE (1) DE3379881D1 (de)
FR (1) FR2528998B1 (de)
WO (1) WO1984000072A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714995A (en) * 1985-09-13 1987-12-22 Trw Inc. Computer integration system
FR2615639A1 (fr) * 1987-05-19 1988-11-25 Js Telecommunications Procede d'echange de donnees selon deux formats entre un centre serveur et un terminal, et centre serveur pour la mise en oeuvre du procede
US4974254A (en) * 1989-05-10 1990-11-27 Perine Michael C Interactive data retrieval system for producing facsimile reports
GB9006419D0 (en) * 1990-03-22 1990-05-23 Adplates Ltd On-line format conversion

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2024561A (en) * 1978-03-23 1980-01-09 Teknos Systems Ltd Digital Facsimile System

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611301A (en) * 1968-05-13 1971-10-05 Time Inc Systems for informational processing of dispatches

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2024561A (en) * 1978-03-23 1980-01-09 Teknos Systems Ltd Digital Facsimile System

Also Published As

Publication number Publication date
DE3379881D1 (en) 1989-06-22
FR2528998A1 (fr) 1983-12-23
AU557820B2 (en) 1987-01-08
FR2528998B1 (fr) 1988-04-01
WO1984000072A1 (fr) 1984-01-05
EP0098200A1 (de) 1984-01-11
ATE43190T1 (de) 1989-06-15
AU1604283A (en) 1984-01-16

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